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2026-08-27 - 10:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Aug 27, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14177212463,7sleep30-21swapper/319:07:043
141142122113,6sleep20-21swapper/219:06:152
140782119110,6sleep10-21swapper/119:05:451
8791211098,8sleep00-21swapper/019:05:000
532521050,0sleep20-21swapper/221:43:372
4732730,1sleep10-21swapper/122:37:151
56022680,0sleep30-21swapper/320:50:233
214522640,0sleep10-21swapper/100:25:181
34712610,0sleep30-21swapper/322:39:383
250142570,0sleep125020-21irqrtprio23:45:171
162312570,1sleep30-21swapper/300:10:023
311452550,0sleep30-21swapper/323:47:033
241572540,0sleep30-21swapper/320:10:183
254602530,0sleep30-21swapper/300:26:303
1267423935,3sleep30-21swapper/319:31:553
14609993315,17cyclictest0-21swapper/200:25:122
2152122723,3sleep30-21swapper/320:37:543
1460999270,26cyclictest0-21swapper/223:57:372
1460999270,26cyclictest0-21swapper/223:50:402
1460999270,26cyclictest0-21swapper/223:50:402
1460999270,26cyclictest0-21swapper/223:16:272
1460999270,26cyclictest0-21swapper/222:03:262
1460999270,26cyclictest0-21swapper/221:46:492
1460999270,26cyclictest0-21swapper/221:23:402
1460499270,26cyclictest0-21swapper/123:42:461
1460499270,26cyclictest0-21swapper/123:32:331
1460499270,26cyclictest0-21swapper/123:16:361
1460499270,26cyclictest0-21swapper/121:02:441
1460499270,26cyclictest0-21swapper/120:58:091
1460499270,26cyclictest0-21swapper/120:41:301
1460499270,26cyclictest0-21swapper/120:41:291
727622623,2sleep30-21swapper/319:29:473
1460999260,25cyclictest29-21rcuc/223:07:152
1460999260,25cyclictest0-21swapper/223:47:162
1460999260,25cyclictest0-21swapper/222:50:192
1460999260,25cyclictest0-21swapper/220:13:122
1460999260,25cyclictest0-21swapper/219:56:082
1460999260,25cyclictest0-21swapper/219:45:092
1460999260,24cyclictest0-21swapper/222:29:442
1460499260,2cyclictest0-21swapper/122:57:541
59422519,3sleep30-21swapper/322:24:013
2806322522,2sleep30-21swapper/319:16:463
2024222522,2sleep30-21swapper/319:12:363
14609992522,2cyclictest0-21swapper/220:24:112
1460999252,22cyclictest0-21swapper/200:38:172
14609992518,7cyclictest0-21swapper/223:27:122
1460999250,24cyclictest0-21swapper/222:11:022
1596822421,2sleep30-21swapper/320:34:303
14609992422,2cyclictest0-21swapper/222:30:382
1460999242,21cyclictest0-21swapper/221:13:292
1460999241,22cyclictest0-21swapper/221:40:002
1460999240,23cyclictest0-21swapper/223:44:552
1460999240,23cyclictest0-21swapper/221:19:292
1460999240,23cyclictest0-21swapper/200:30:412
1460999240,18cyclictest0-21swapper/200:02:022
1460499240,18cyclictest0-21swapper/121:32:451
438422320,2sleep30-21swapper/320:24:373
364422318,2sleep30-21swapper/321:29:143
2149722317,3sleep30-21swapper/322:45:403
1460999233,19cyclictest0-21swapper/222:55:512
1460999232,20cyclictest0-21swapper/221:33:052
14609992316,6cyclictest0-21swapper/222:23:252
14609992314,8cyclictest0-21swapper/222:06:442
1460999230,22cyclictest0-21swapper/223:02:132
1460999230,22cyclictest0-21swapper/222:39:122
1460999230,22cyclictest0-21swapper/221:57:332
1460999230,22cyclictest0-21swapper/221:54:532
1460999230,22cyclictest0-21swapper/221:27:122
1460999230,22cyclictest0-21swapper/200:13:062
1460999230,17cyclictest0-21swapper/223:30:022
1460999230,17cyclictest0-21swapper/222:17:532
1460999230,17cyclictest0-21swapper/200:23:462
1460499230,22cyclictest0-21swapper/121:50:581
14601992319,2cyclictest755-21snmpd21:26:070
3010122219,2sleep30-21swapper/319:50:103
1766822216,3sleep30-21swapper/300:37:593
1460999228,13cyclictest0-21swapper/222:40:142
14609992215,6cyclictest0-21swapper/223:20:042
1460999221,20cyclictest0-21swapper/200:05:262
1460999220,21cyclictest0-21swapper/223:35:262
1460999220,21cyclictest0-21swapper/223:10:522
1460999220,21cyclictest0-21swapper/222:48:262
1460999220,21cyclictest0-21swapper/200:17:292
1460499220,21cyclictest0-21swapper/123:35:511
1460499220,21cyclictest0-21swapper/122:31:471
1460499220,21cyclictest0-21swapper/121:47:041
1460499220,21cyclictest0-21swapper/120:25:471
1460499220,21cyclictest0-21swapper/119:16:591
1460499220,21cyclictest0-21swapper/100:17:461
1460499220,16cyclictest0-21swapper/123:54:091
1460499220,16cyclictest0-21swapper/123:54:091
14609992119,2cyclictest0-21swapper/220:29:212
14609992118,2cyclictest0-21swapper/220:58:572
14609992118,2cyclictest0-21swapper/219:40:232
1460999210,20cyclictest0-21swapper/221:02:082
1460999210,20cyclictest0-21swapper/220:42:112
1460999210,20cyclictest0-21swapper/220:42:112
1460999210,20cyclictest0-21swapper/220:31:112
1460999210,20cyclictest0-21swapper/220:07:202
1460499210,3cyclictest0-21swapper/123:05:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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